diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 08499e1a56c2..0a8c092e0f2e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -676,7 +676,7 @@ nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm,
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
 
 	if (drm->agp.bridge) {
-		return ttm_agp_bind(bdev, ttm, reg);
+		return ttm_agp_bind(ttm, reg);
 	}
 #endif
 	return nouveau_sgdma_bind(bdev, ttm, reg);
@@ -689,7 +689,7 @@ nouveau_ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
 
 	if (drm->agp.bridge) {
-		ttm_agp_unbind(bdev, ttm);
+		ttm_agp_unbind(ttm);
 		return;
 	}
 #endif
@@ -1331,7 +1331,7 @@ nouveau_ttm_tt_destroy(struct ttm_bo_device *bdev,
 #if IS_ENABLED(CONFIG_AGP)
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
 	if (drm->agp.bridge) {
-		ttm_agp_destroy(bdev, ttm);
+		ttm_agp_destroy(ttm);
 		return;
 	}
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index eacfc591bf79..6b7af313389d 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -696,7 +696,7 @@ static int radeon_ttm_tt_bind(struct ttm_bo_device *bdev,
 
 #if IS_ENABLED(CONFIG_AGP)
 	if (rdev->flags & RADEON_IS_AGP) {
-		return ttm_agp_bind(bdev, ttm, bo_mem);
+		return ttm_agp_bind(ttm, bo_mem);
 	}
 #endif
 
@@ -710,7 +710,7 @@ static void radeon_ttm_tt_unbind(struct ttm_bo_device *bdev,
 	struct radeon_device *rdev = radeon_get_rdev(bdev);
 
 	if (rdev->flags & RADEON_IS_AGP) {
-		ttm_agp_unbind(bdev, ttm);
+		ttm_agp_unbind(ttm);
 		return;
 	}
 #endif
@@ -724,7 +724,7 @@ static void radeon_ttm_tt_destroy(struct ttm_bo_device *bdev,
 	struct radeon_device *rdev = radeon_get_rdev(bdev);
 
 	if (rdev->flags & RADEON_IS_AGP) {
-		ttm_agp_destroy(bdev, ttm);
+		ttm_agp_destroy(ttm);
 		return;
 	}
 #endif
diff --git a/drivers/gpu/drm/ttm/ttm_agp_backend.c b/drivers/gpu/drm/ttm/ttm_agp_backend.c
index 3d0a5e9f4c5f..7b36fdaab766 100644
--- a/drivers/gpu/drm/ttm/ttm_agp_backend.c
+++ b/drivers/gpu/drm/ttm/ttm_agp_backend.c
@@ -48,8 +48,7 @@ struct ttm_agp_backend {
 	struct agp_bridge_data *bridge;
 };
 
-int ttm_agp_bind(struct ttm_bo_device *bdev,
-		 struct ttm_tt *ttm, struct ttm_resource *bo_mem)
+int ttm_agp_bind(struct ttm_tt *ttm, struct ttm_resource *bo_mem)
 {
 	struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm);
 	struct page *dummy_read_page = ttm_bo_glob.dummy_read_page;
@@ -84,8 +83,7 @@ int ttm_agp_bind(struct ttm_bo_device *bdev,
 }
 EXPORT_SYMBOL(ttm_agp_bind);
 
-void ttm_agp_unbind(struct ttm_bo_device *bdev,
-		    struct ttm_tt *ttm)
+void ttm_agp_unbind(struct ttm_tt *ttm)
 {
 	struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm);
 
@@ -100,13 +98,12 @@ void ttm_agp_unbind(struct ttm_bo_device *bdev,
 }
 EXPORT_SYMBOL(ttm_agp_unbind);
 
-void ttm_agp_destroy(struct ttm_bo_device *bdev,
-		     struct ttm_tt *ttm)
+void ttm_agp_destroy(struct ttm_tt *ttm)
 {
 	struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm);
 
 	if (agp_be->mem)
-		ttm_agp_unbind(bdev, ttm);
+		ttm_agp_unbind(ttm);
 	ttm_tt_fini(ttm);
 	kfree(agp_be);
 }
diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h
index 591d4927d501..bdc8aadf3246 100644
--- a/include/drm/ttm/ttm_tt.h
+++ b/include/drm/ttm/ttm_tt.h
@@ -264,12 +264,9 @@ void ttm_tt_unpopulate(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
 struct ttm_tt *ttm_agp_tt_create(struct ttm_buffer_object *bo,
 				 struct agp_bridge_data *bridge,
 				 uint32_t page_flags);
-int ttm_agp_bind(struct ttm_bo_device *bdev,
-		 struct ttm_tt *ttm, struct ttm_resource *bo_mem);
-void ttm_agp_unbind(struct ttm_bo_device *bdev,
-		    struct ttm_tt *ttm);
-void ttm_agp_destroy(struct ttm_bo_device *bdev,
-		     struct ttm_tt *ttm);
+int ttm_agp_bind(struct ttm_tt *ttm, struct ttm_resource *bo_mem);
+void ttm_agp_unbind(struct ttm_tt *ttm);
+void ttm_agp_destroy(struct ttm_tt *ttm);
 #endif
 
 #endif
